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I'm sorry to hear you're facing such a frustrating issue with ghost keyboard. This often happens when Windows add a fallback entry for your display language (US in this case). As someone once faced a similar situation to you, I have a suggestion here and you can try to see if it helps at all:
- Click the language indicator in the taskbar > More keyboard settings
- Locate Spanish (Mexico) > click the three-dot > Language options
- Scroll to Keyboards and click Add a keyboard > Manually add the ghost entry (US QWERTY)
- Restart your PC > then going back to this list > click three-dot and Remove the US keyboard.
- Check the taskbar's language indicator to see if the ghost entry is gone now.
- If it ever comes back or there are other ghost entries, you can also do this again to remove them.
I hope the suggestions from my experience can help with your situation! If any steps not clear, let me know and I can explain further!
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